The CIA World Factbook Edition 2016 People and Society

Major infectious diseases In 19 editions of 36.

Major infectious diseases was published in 19 editions of the CIA World Factbook, from 2005 to 2023. The 2016 edition carries it in 124 entries, in its People and Society section. Every entry is shown as that edition published it.

entries in the 2016 edition
124
the first edition with it
2005
the latest edition with it
2023

Published as “Major infectious diseases” (2005 to 2023).

the entry has the field in that editionnot in that editionthe open editionEach entry below ends in its editions with Major infectious diseases, 1990 to 2025. Point at a year above to follow it down; choose one in a row to read that edition’s text there.

Entries with Major infectious diseases in each edition

19902000201020202025

Select a bar to open that edition.

Africa

46 entries

Angola

degree of risk:
very high
food or waterborne diseases:
  • bacterial and protozoal diarrhea,
  • hepatitis A,
  • typhoid fever
vectorborne diseases:
dengue fever, malaria
water contact disease:
schistosomiasis
animal contact disease:
rabies (2016)

Benin

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
dengue fever, malaria, and yellow fever
respiratory disease:
meningococcal meningitis
animal contact disease:
rabies (2016)

Botswana

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
malaria (2016)

Burkina Faso

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
dengue fever, malaria, and yellow fever
water contact disease:
schistosomiasis
respiratory disease:
meningococcal meningitis
animal contact disease:
rabies (2016)

Burundi

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria and dengue fever
water contact disease:
schistosomiasis
animal contact disease:
rabies (2016)

Cabo Verde

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Cameroon

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria, dengue fever, and yellow fever
water contact disease:
schistosomiasis
respiratory disease:
meningococcal meningitis
animal contact disease:
rabies (2016)

Central African Republic

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A and E, and typhoid fever
vectorborne diseases:
malaria and dengue fever
respiratory disease:
meningococcal meningitis
water contact disease:
schistosomiasis
animal contact disease:
rabies (2016)

Chad

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A and E, and typhoid fever
vectorborne diseases:
malaria and dengue fever
water contact disease:
schistosomiasis
respiratory disease:
meningococcal meningitis
animal contact disease:
rabies (2016)

Congo, Democratic Republic Of The now Democratic Republic of the Congo

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria, dengue fever, and trypanosomiasis-gambiense (African sleeping sickness)
water contact disease:
schistosomiasis
animal contact disease:
rabies (2016)

Congo, Republic Of The now Republic of the Congo

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
malaria and dengue fever
animal contact disease:
rabies
water contact disease:
schistosomiasis (2016)

Cote D'Ivoire now Cote d'Ivoire

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria, dengue fever, and yellow fever
water contact disease:
schistosomiasis
animal contact disease:
rabies
respiratory disease:
meningococcal meningitis (2016)

Djibouti

degree of risk:
high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
dengue fever (2016)

Egypt

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
water contact disease:
schistosomiasis (2016)

Equatorial Guinea

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
malaria and dengue fever
animal contact disease:
rabies (2016)

Eritrea

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria and dengue fever (2016)

Swaziland now Eswatini

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
malaria
water contact disease:
schistosomiasis (2016)

Ethiopia

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria and dengue fever
respiratory disease:
meningococcal meningitis
animal contact disease:
rabies
water contact disease:
schistosomiasis (2016)

Gabon

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
malaria and dengue fever
water contact disease:
schistosomiasis
animal contact disease:
rabies (2016)

Gambia, The now The Gambia

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria and dengue fever
water contact disease:
schistosomiasis
respiratory disease:
meningococcal meningitis
animal contact disease:
rabies (2016)

Ghana

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria, dengue fever, and yellow fever
water contact disease:
schistosomiasis
respiratory disease:
meningococcal meningitis
animal contact disease:
rabies (2016)

Guinea

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria, dengue fever, and yellow fever
water contact disease:
schistosomiasis
aerosolized dust or soil contact disease:
Lassa fever
animal contact disease:
rabies (2016)

Guinea-Bissau

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria, dengue fever, and yellow fever
water contact disease:
schistosomiasis
animal contact disease:
rabies (2016)

Kenya

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
malaria, dengue fever, and Rift Valley fever
water contact disease:
schistosomiasis
animal contact disease:
rabies (2016)

Liberia

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria, dengue fever, and yellow fever
water contact disease:
schistosomiasis
aerosolized dust or soil contact disease:
Lassa fever
animal contact disease:
rabies (2016)

Madagascar

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria and dengue fever
water contact disease:
schistosomiasis
animal contact disease:
rabies (2016)

Malawi

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria and dengue fever
water contact disease:
schistosomiasis
animal contact disease:
rabies (2016)

Mali

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria and dengue fever
water contact disease:
schistosomiasis
respiratory disease:
meningococcal meningitis
animal contact disease:
rabies (2016)

Mauritania

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria and dengue fever
respiratory disease:
meningococcal meningitis
animal contact disease:
rabies (2016)

Mozambique

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria and dengue fever
water contact disease:
schistosomiasis
animal contact disease:
rabies (2016)

Namibia

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
malaria
water contact disease:
schistosomiasis (2016)

Niger

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria and dengue fever
water contact disease:
schistosomiasis
respiratory disease:
meningococcal meningitis
animal contact disease:
rabies (2016)

Nigeria

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A and E, and typhoid fever
vectorborne diseases:
malaria, dengue fever, and yellow fever
water contact diseases:
leptospirosis and schistosomiasis
respiratory disease:
meningococcal meningitis
aerosolized dust or soil contact disease:
Lassa fever
animal contact disease:
rabies (2016)

Rwanda

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria and dengue fever
animal contact disease:
rabies (2016)

Sao Tome And Principe now Sao Tome and Principe

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria and dengue fever
water contact disease:
schistosomiasis (2016)

Senegal

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria and dengue fever
water contact disease:
schistosomiasis
respiratory disease:
meningococcal meningitis
animal contact disease:
rabies (2016)

Sierra Leone

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria, dengue fever, and yellow fever
water contact disease:
schistosomiasis
animal contact disease:
rabies
aerosolized dust or soil contact disease:
Lassa fever (2016)

Somalia

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A and E, and typhoid fever
vectorborne diseases:
dengue fever, malaria, and Rift Valley fever
water contact disease:
schistosomiasis
animal contact disease:
rabies (2016)

South Africa

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
water contact disease:
schistosomiasis (2016)

South Sudan

degree of risk:
very high
food or waterborne disease:
bacterial and protozoal diarrhea, hepatitis A and E, and typhoid fever
vectorborne disease:
  • malaria,
  • dengue fever,
  • trypanosomiasis-Gambiense (African sleeping sickness)
water contact disease:
schistosomiasis
respiratory disease:
meningococcal meningitis
animal contact disease:
rabies (2016)

Sudan

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A and E, and typhoid fever
vectorborne diseases:
malaria, dengue fever, and Rift Valley fever
water contact disease:
schistosomiasis
respiratory disease:
meningococcal meningitis
animal contact disease:
rabies (2016)

Tanzania

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria, dengue fever, and Rift Valley fever
water contact diseases:
schistosomiasis and leptospirosis
animal contact disease:
rabies (2016)

Togo

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria, dengue fever, and yellow fever
respiratory disease:
meningococcal meningitis
water contact disease:
schistosomiasis
animal contact disease:
rabies (2016)

Uganda

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea, hepatitis A and E, and typhoid fever
vectorborne diseases:
malaria, dengue fever, and trypanosomiasis-Gambiense (African sleeping sickness)
water contact disease:
schistosomiasis
animal contact disease:
rabies (2016)

Zambia

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria and dengue fever
water contact disease:
schistosomiasis
animal contact disease:
rabies (2016)

Zimbabwe

degree of risk:
high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
malaria and dengue fever
water contact disease:
schistosomiasis
animal contact disease:
rabies (2016)

Asia

10 entries

Afghanistan

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
malaria (2016)

Bangladesh

degree of risk:
high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A and E, and typhoid fever
vectorborne diseases:
dengue fever and malaria are high risks in some locations
water contact disease:
leptospirosis
animal contact disease:
rabies (2016)

Bhutan

degree of risk:
high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
dengue fever (2016)

China

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
Japanese encephalitis
soil contact disease:
hantaviral hemorrhagic fever with renal syndrome (HFRS) (2016)

India

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea, hepatitis A and E, and typhoid fever
vectorborne diseases:
dengue fever, Japanese encephalitis, and malaria
water contact disease:
leptospirosis
animal contact disease:
rabies (2016)

Nepal

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea, hepatitis A and E, and typhoid fever
vectorborne disease:
Japanese encephalitis, malaria, and dengue fever (2016)

Pakistan

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea, hepatitis A and E, and typhoid fever
vectorborne diseases:
dengue fever and malaria
animal contact disease:
rabies (2016)

Russia

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea
vectorborne disease:
tickborne encephalitis (2016)

Sri Lanka

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea and hepatitis A
vectorborne disease:
dengue fever
water contact disease:
leptospirosis
animal contact disease:
rabies (2016)

Tajikistan

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
malaria (2016)

Central America and the Caribbean

28 entries

Anguilla

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Antigua And Barbuda now Antigua and Barbuda

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Aruba

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Barbados

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Belize

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
dengue fever and malaria

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Cayman Islands

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Costa Rica

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea
vectorborne diseases:
dengue fever

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Cuba

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea and hepatitis A
vectorborne diseases:
dengue fever

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Curacao

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Dominica

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Dominican Republic

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
dengue fever

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

El Salvador

degree of risk:
high
food or waterborne diseases:
bacterial and protozoal diarrhea
vectorborne diseases:
dengue fever

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Grenada

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Guatemala

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
dengue fever and malaria

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Haiti

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A and E, and typhoid fever
vectorborne diseases:
dengue fever and malaria

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Honduras

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
dengue fever and malaria

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Jamaica

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Nicaragua

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
dengue fever and malaria

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Panama

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea
vectorborne disease:
dengue fever

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Puerto Rico

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Saint Barthelemy

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Saint Lucia

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Saint Martin

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Saint Vincent And The Grenadines now Saint Vincent and the Grenadines

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Sint Maarten

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Trinidad And Tobago now Trinidad and Tobago

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Turks And Caicos Islands now Turks and Caicos Islands

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Virgin Islands

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Europe

8 entries

Croatia

degree of risk:
intermediate
vectorborne diseases:
tickborne encephalitis (2016)

Estonia

degree of risk:
intermediate
vectorborne disease:
tickborne encephalitis (2016)

Hungary

degree of risk:
intermediate
vectorborne diseases:
tickborne encephalitis (2016)

Latvia

degree of risk:
intermediate
vectorborne diseases:
tickborne encephalitis (2016)

Lithuania

degree of risk:
intermediate
vectorborne diseases:
tickborne encephalitis (2016)

Montenegro

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea
vectorborne disease:
Crimean-Congo hemorrhagic fever (2016)

Poland

degree of risk:
intermediate
vectorborne disease:
tickborne encephalitis (2016)

Serbia

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea (2016)

Middle East

3 entries

Iran

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea
vectorborne diseases:
Crimean-Congo hemorrhagic fever (2016)

Iraq

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever (2016)

Yemen

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
dengue fever and malaria
water contact disease:
schistosomiasis (2016)

North America

1 entry

Mexico

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea and hepatitis A
vectorborne disease:
dengue fever

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Oceania

8 entries

American Samoa

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Fiji

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Marshall Islands

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Micronesia, Federated States Of now Federated States of Micronesia

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

New Caledonia

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Papua New Guinea

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
dengue fever and malaria

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Samoa

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Tonga

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

South America

10 entries

Argentina

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Bolivia

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea and hepatitis A
vectorborne diseases:
dengue fever, malaria, and yellow fever

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Brazil

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea and hepatitis A
vectorborne diseases:
dengue fever and malaria
water contact disease:
schistosomiasis

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Colombia

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea
vectorborne diseases:
dengue fever, malaria, and yellow fever

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Ecuador

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
dengue fever and malaria

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Guyana

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
dengue fever and malaria

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Paraguay

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
dengue fever

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Peru

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
dengue fever, malaria, and Bartonellosis (Oroya fever)

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Suriname

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne disease:
dengue fever and malaria

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Venezuela

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea and hepatitis A
vectorborne diseases:
dengue fever and malaria

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Southeast Asia

10 entries

Burma now Burma (Myanmar)

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
dengue fever, malaria, and Japanese encephalitis
water contact disease:
leptospirosis
animal contact disease:
rabies (2016)

Cambodia

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
dengue fever, Japanese encephalitis, and malaria (2016)

Indonesia

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
dengue fever and malaria (2016)

Laos

degree of risk:
very high
food or waterborne diseases:
bacterial and protozoal diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
dengue fever and malaria (2016)

Malaysia

degree of risk:
intermediate
food or waterborne diseases:
bacterial diarrhea
vectorborne diseases:
dengue fever
water contact disease:
leptospirosis (2016)

Philippines

degree of risk:
high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
dengue fever and malaria
water contact disease:
leptospirosis (2016)

Singapore

note: active local transmission of Zika virus by Aedes species mosquitoes has been identified in this country (as of August 2016); it poses an important risk (a large number of cases possible) among US citizens if bitten by an infective mosquito; other less common ways to get Zika are through sex, via blood transfusion, or during pregnancy, in which the pregnant woman passes Zika virus to her fetus (2016)

Thailand

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea
vectorborne diseases:
dengue fever, Japanese encephalitis, and malaria (2016)

Timor-Leste

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
dengue fever and malaria (2016)

Vietnam

degree of risk:
very high
food or waterborne diseases:
bacterial diarrhea, hepatitis A, and typhoid fever
vectorborne diseases:
dengue fever, malaria, and Japanese encephalitis (2016)

Cite this page

Central Intelligence Agency. The World Factbook 2016, “Major infectious diseases”, all entries. Archived by The Factbook, thefactbook.org/fields/major-infectious-diseases/2016.

How to cite